function s1_hello(){
	echo "hello,world!"
}

function s2_tell_who_i_am(){
let l:distro_name=system('lsb_release -a')
echo l:distro_name
endfunction
}

function s3_which_distro_do_i_use(){

source /etc/os-release
echo $ID
}

function s4_view_my_cpu_arch(){

cpu=&(uname -m)
echo "cpu_name=$cpu"
}

function s5_show_first_scsi_disk_size(){

lsblk -l |\grep disk |\grep'^sda' |awk'{print $4}'
}

function s6_show_main_memory_size_in_megabytes(){
free -m |grep"Mem:" |awk'{print $2}'
}



